1. Academic Validation
  2. Mechanical cues modulate cellular uptake of nanoparticles in cancer via clathrin-mediated and caveolae-mediated endocytosis pathways

Mechanical cues modulate cellular uptake of nanoparticles in cancer via clathrin-mediated and caveolae-mediated endocytosis pathways

  • Nanomedicine (Lond). 2019 Mar;14(5):613-626. doi: 10.2217/nnm-2018-0334.
Xiao Wei 1 Rui Wei 1 Guiying Jiang 1 Yijuan Jia 2 Hua Lou 1 Zongyuan Yang 1 Danfeng Luo 1 Quanfu Huang 3 Sen Xu 1 Xin Yang 1 Ying Zhou 1 Xiaoting Li 1 Teng Ji 1 Junbo Hu 4 Ling Xi 1 Ding Ma 1 Fei Ye 5 Qinglei Gao 1
Affiliations

Affiliations

  • 1 Department of Obstetrics & Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, People's Republic of China.
  • 2 Department of Obstetrics & Gynecology, Wuhan First Hospital, Wuhan, 430022, China.
  • 3 Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, People's Republic of China.
  • 4 Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, People's Republic of China.
  • 5 Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, People's Republic of China.
Abstract

Aim: To investigate the influence of tissue mechanics on the cellular uptake efficiency of nanoparticles (NPs) in Cancer.

Materials & methods: Collagen-coated polyacrylamide gels were prepared as model substrates. Coumarin 6-loaded poly(lactic-co-glycolic) acid micelles (C6-NPs) were prepared to investigate the cellular uptake of NPs.

Results: We demonstrated that substrate stiffness modulated the cellular uptake of NPs of Cancer. Mechanistically, mechanical cues exerted influence on the clathrin-mediated endocytosis and caveolae-mediated endocytosis pathways, which mediated stiffness-regulated cellular uptake of NPs.

Conclusion: Our findings shed LIGHT on the regulatory role of the mechanical cues on the cellular uptake of NPs and will facilitate the selection of clinical patients who might benefit from a given nanotherapy.

Keywords

cancer; cellular uptake; endocytic pathways; matrix stiffness; nanoparticle.

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